US3115669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shirring casings
Assignee: Union Carbide Corp
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Filing: 1961-08-21
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Granted: 1963-12-31
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Edward A Matecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:30
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
APPARATUS FOR SHIRRING CELLULOSE TUBING WHICH COMPRISES A TUBULAR MANDREL OF THE ORDER OF 75% OF THE CASING DIAMETER, MEANS FOR GUIDING THE TUBING ONTO SAID MANDREL TO A ZONE OF CASING PLEAT FORMATION, MEANS FOR PASSING GAS THROUGH SAID MANDREL TO INFLATE THE TUBING THEREON, A PLURALITY OF SUCCESSIVE ARCUATELY ACTING SHIRRING SADDLES MOUNTED FOR MOVEMENT INTO SUCCESSIVE ENGAGEMENT WITH SAID TUBING IN SAID ZONE, SAID SADDLES HAVING ARCUATE BASILAR SURFACES AND LATERAL SURFACES TANGENT THERETO AND DIVERGING RADIALLY AWAY FROM THE CENTER OF ARCUATE ACTION, AND MEANS FOR DRIVING SAID SADDLES FOR SUCH ARCUATE MOVEMENT FOR LONGITUDINALLY COLLAPSING BY PLEATING THE TUBING BY CONTINUOUS MANIPULATION OF SAID SURFACES ALTERNATELY COACTING ALONG OPPOSING AND ADJACENT SIDES OF THE GASEOUS INFLATED TUBING.
Claim 2
Dependent Claim
122 words
APPARATUS FOR SHIRRING CELLULOSE TUBING WHICH COMPRISES A TUBULAR MANDREL OF THE ORDER OF 75% OF THE CASING DIAMETER, MEANS FOR GUIDING THE TUBING ONTO SAID MANDREL TO A ZONE OF CASING PLEAT FORMATION, MEANS FOR PASSING GAS THROUGH SAID MANDREL TO INFLATE THE TUBING THEREON, A PLURALITY OF SUCCESSIVE ARCUATELY ACTING SHIRRING SADDLES MOUNTED FOR MOVEMENT INTO SUCCESSIVE ENGAGEMENT WITH SAID TUBING IN SAID ZONE, SAID SADDLES HAVING ARCUATE BASILAR SURFACES AND LATERAL SURFACES TANGENT THERETO AND DIVERGING RADIALLY AWAY FROM THE CENTER OF ARCUATE ACTION, AND MEANS FOR DRIVING SAID SADDLES FOR SUCH ARCUATE MOVEMENT FOR LONGITUDINALLY COLLAPSING BY PLEATING THE TUBING BY CONTINUOUS MANIPULATION OF SAID SURFACES ALTERNATELY COACTING ALONG OPPOSING AND ADJACENT SIDES OF THE GASEOUS INFLATED TUBING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |